1 The expected genotype frequencies. 2  The number of heterozygous individuals that you would predict to be in this population. 3  The expected phenotype frequencies. 4  Conditions happen to be really good this year for breeding and next year there are 1,245 young potential Biology instructors.
Freebase(0.00 / 0 votes)Rate this definition: Donkey. The donkey or ass, Equus africanus asinus, is a domesticated member of the Equidae or horse family. The wild ancestor of the donkey is the African wild ass, E. africanus. The donkey has been used as a working animal for at least 5000 years.
A mule is a cross between a donkey and a horse. Therefore, a mule will have some donkey characteristics such as large ears, a head just a bit too large for its body, a skimpie â¦ r tail, some still have the cross on their backs from the donkey, and they often have small looking feet.